The Type of Elasticity of Demand That Is Most Commonly

Multiple Choice

The type of elasticity of demand that is most commonly positively valued but that can be negative at times is called:

A) income elasticity of demand and it is negative when the good is a normal good.
B) income elasticity of demand and it is negative when the good is an inferior good.
C) price elasticity of demand and it is negative when the slope of the demand curve is negatively sloped.
D) None of the above.